To use these add-ons, you'll need to download Firefox.

Log in

11,725 extensions found in Appearance

Filter results
Search results
  • Screen Resolution Simulator

    Screen Resolution Simulator

    Allows users to simulate various screen resolutions to test website responsiveness and layout compatibility.

    Genz Relax

    58 users

  • NPM Package Search

    NPM Package Search

    To use, type 'npm' plus your search term into the url bar.

    Bryan Clark

    58 users

  • Search and Highlight

    Search and Highlight

    This extension highlights the specified word. You can specify any number of words separated by spaces. この拡張機能は指定した単語をハイライトします。 任意の個数の単語をスペース区切りで指定します。

    Haru Soft

    58 users

  • Websites Background Changer

    Websites Background Changer

    Change most of the websites' background to any images. Right click your favorite image on other websites or local image opened in the browser to choose it as the background image. Control the opacity or turn on/off by clicking the icon of the addon.

    Jeremy

    58 users

  • DOM Delete

    DOM Delete

    Delete DOM element by clicking on the element.

    vishal-vp

    58 users

  • Google Classroom Dark Mode

    Google Classroom Dark Mode

    Transform Google Classroom into a cooler dark version!

    Zekerocks11

    58 users

  • UnicornPass

    UnicornPass

    Colorful password fields using SHA1 hash of your password. You will know if you typed the correct password before submitting. Source code: https://github.com/carmebar/unicornpass

    Carlos Melero

    58 users

  • Go Top

    Go Top

    Simple. Scrolls to the top. Minimalistic and native look.

    nullpilot

    58 users

  • Brightness Control

    Brightness Control

    Freely control the brightness of your web page

    Tyruz Lim

    58 users

  • Font blocker foxified

    Font blocker foxified

    Blocks the fonts you want to block.

    petg

    57 users

  • AO3 Enhancer

    AO3 Enhancer

    Enhancement extension for Archive of Our Own.

    MonoScyron

    57 users

  • Twitter Media Only Toggle

    Twitter Media Only Toggle

    Add a button on twitter home that shows media only tweets.

    Ru

    57 users

  • Polito.it Utility

    Polito.it Utility

    This extension adds special features and allows you to simultaneously download multiple files/video on [didattica.polito.it]

    Totosoft

    57 users

  • AlwaysKillSticky

    AlwaysKillSticky

    Get rid of sticky elements on websites - permanently!

    Said Achmiz

    57 users

  • Sidebar Tab

    Sidebar Tab

    Give your browser an extra tab! Open and navigate websites directly within a sidebar, enabling seamless dual-panel browsing and productivity boosts.

    Shailendra

    57 users

  • Zombocam

    Zombocam

    Live effects for your webcam! Add a swirl when taking a Facebook profile picture, add the nashville effect live to your appear.in conversation or send a gif through your webcam. New! Change your voice with audio filters!

    Firefox user 12516146

    57 users

  • Open in cooked.wiki

    Open in cooked.wiki

    Opens the active tab via https://cooked.wiki/{active tab url}.

    ddurst

    57 users

  • Better 9gag

    Better 9gag

    Improve your 9gag browsing experience! This extension gives you many useful features.

    saphareas

    56 users

  • AVX - Assistente Virtual da Execução

    AVX - Assistente Virtual da Execução

    Disponibiliza ferramentas de produtividade para realização e gerenciamento de bloqueios eletrônicos para Execução Judicial.

    Sisenando Calixto

    56 users

  • Logify - Parental Control

    Logify - Parental Control

    fully integrated with Logify Apps

    Logify

    56 users

  • flashkill

    flashkill

    Diese Extension soll den Umgang mit der 99Damage Homepage erleichtern.

    flashkill

    56 users

  • SearchMage - Search Enhancer

    SearchMage - Search Enhancer

    Find things fast! SearchMage adds several features to popular search engines to allow e.g. search result filtering, infinite scrolling, CSS themes (e.g. dark theme), easy navigation and keyboard shortcuts.

    Nodetics

    56 users

  • Last.fm Reworked

    Last.fm Reworked

    Enhances the Last.fm layout and user interface.

    mozartsempiano

    56 users

  • Google RU Поиск

    Google RU Поиск

    Поиск на сайте google.ru

    Rafael

    56 users

  • Mobile Wikipedia (WebExtension)

    Mobile Wikipedia (WebExtension)

    A WebExtension that redirects to mobile Wikipedia since it is faster and prettier. Icon is https://www.flaticon.com/free-icon/wikipedia_326943

    Andrei Petcu

    56 users